// Created on: 1991-10-10 // Created by: Jean Claude VAUTHIER // Copyright (c) 1991-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _Convert_ConeToBSplineSurface_HeaderFile #define _Convert_ConeToBSplineSurface_HeaderFile #include #include #include #include #include class Standard_DomainError; class gp_Cone; //! This algorithm converts a bounded Cone into a rational //! B-spline surface. //! The cone a Cone from package gp. Its parametrization is : //! P (U, V) = Loc + V * Zdir + //! (R + V*Tan(Ang)) * (Cos(U)*Xdir + Sin(U)*Ydir) //! where Loc is the location point of the cone, Xdir, Ydir and Zdir //! are the normalized directions of the local cartesian coordinate //! system of the cone (Zdir is the direction of the Cone's axis) , //! Ang is the cone semi-angle. The U parametrization range is //! [0, 2PI]. //! KeyWords : //! Convert, Cone, BSplineSurface. class Convert_ConeToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface { public: DEFINE_STANDARD_ALLOC //! The equivalent B-spline surface as the same orientation as the //! Cone in the U and V parametric directions. //! //! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi //! Raised if V1 = V2. Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2); //! The equivalent B-spline surface as the same orientation as the //! Cone in the U and V parametric directions. //! //! Raised if V1 = V2. Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real V1, const Standard_Real V2); protected: private: }; #endif // _Convert_ConeToBSplineSurface_HeaderFile